Tri-iodothyronine T3 Total and Free T3 - (LABCORP)
Tri-iodothyronine (T3) Total
Tri-iodothyronine Free, (FT3)
This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin (also termed as vitamin B7 or B8, vitamin H or coenzyme R). It is recommended to stop biotin consumption at least 72 hours prior to the collection of specimen. Estimated turnaround for results is 3 business days. If confirmation testing is required, the estimated time may be extended.